Nokea
clustrom protein coagulates due to:
- A. albumin
- B. globulin
- C. fibrinogen
- D. prothrombin
Correct Answer: C
Rationale: Fibrinogen is essential for blood clotting and coagulation processes.
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The measure of central location generally preferred for additional statistical analysis is the:
- A. Mean
- B. Median
- C. Midrange
- D. Mode
Correct Answer: A
Rationale: The mean is used in further computations due to its mathematical properties.
A constant rate of change would be represented by a curved line
- A. Arithmetic-scale line graph
- B. Semilogarithmic-scale line graph
- C. Both
- D. Neither
Correct Answer: A
Rationale: On arithmetic-scale graphs, constant rates appear as straight lines.
Cereal protein are deficient in,
- A. Methionine
- B. Lysine
- C. Typtophan
- D. Leucin
Correct Answer: B
Rationale: Cereal proteins are typically deficient in lysine, an essential amino acid.
How would you design an ecologic study to investigate the following problems? How might the ecologic fallacy come into play in each situation? a. lung disease and air pollution b. birth defects and hazardous waste c. cancer and radiation leakage from a power plant
- A. Ecologic fallacy arises when group-level findings incorrectly infer individual-level relationships.
- B. Ecologic studies cannot address causality.
- C. All ecologic studies suffer from severe biases.
- D. Ecologic studies are irrelevant for public health.
Correct Answer: A
Rationale: Ecologic studies analyze aggregated data, risking incorrect inferences about individuals (ecologic fallacy).
A method of comparing the benefit measured in terms of a social objective of a project with all cost of that project is known as
- A. cost benefit analysis
- B. cost effectiveness analysis
- C. cost utility analysis
- D. cost efficiency analysis
Correct Answer: B
Rationale: Cost effectiveness analysis measures benefits in terms of achieving social objectives.